baby refuses to be bottle fed! Tips pls!

My 14 week old baby refuses to be bottle fed - she will not suck on it and I've tried at least twice a day for 2 weeks. I want to bottle feed her formula to hopefully help her sleep longer at night (she wakes once or twice during the night) and to give me independence in the day so I can leave her with husband/mum. I can't be bothered expressing milk although I did with my first child.We have all tried feeding her; at quite times, busy times, various feed times, distracting her with toys /older sister etc but no luck.I've tried Avent bottles on new born and now medium flow teats and the Tomy Tippee Closer to Nature bottles, medium flow. Any ideas are GREATLY appreciated!

We have to drip the milk into our 5 month olds mouth tbh she gives a few sucks but by the time she has finished you have normally lost the will to live let alone anything else. No advice just sympathy.

I don't think there are any easy solutions. She obviously just doesn't like the feel of it. If it's any consolation formula probably wouldn't result in her sleeping longer at night. I would just keep trying every now and again. Sorry.